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Office Regenerator 2011 Supported File Types:
This version of Office Regenerator 2011 can recover lost, corrupted, deleted, damaged, overwritten Microsoft Office Documents of the following types:
Word: DOC (DOT), DOCX (DOCM, DOTX, DOTM Important Notes!)
Excel: XLS (XLT), XLSX (XLSM, XLSB, XLTX, XLTM Important Notes!)
PowerPoint: PPT (POT, PPS), PPTX (PPTM, POTX, POTM, PPSX, PPSM Important Notes!)
| Supported Format | Description | Office Regenerator Save Format | Open recovered files in Microsoft Office | Preview in the current build of Office Regenerator |
| .DOC | Word 97-2003 Document | .DOC | No additional action required, just open | YES |
| .DOT | Word 97-2003 Template | .DOC | No additional action required, just open | YES |
| .XLS | Excel 97-2003 Workbook | .XLS | No additional action required, just open | NO |
| .XLT | Excel 97-2003 Template | .XLS | No additional action required, just open | NO |
| .PPT | PowerPoint 97-2003 Presentation | .PPT | No additional action required, just open | NO |
| .POT | PowerPoint 97-2003 Template | .PPT | No additional action required, just open | NO |
| .PPS | PowerPoint 97-2003 Show | .PPT | No additional action required, just open | NO |
| .DOCX | Word 2007 (and later) Document | .DOCX | No additional action required, just open | YES |
| .DOCM | Word 2007 (and later) Macro-Enabled Document | .DOCX | Rename from .DOCX to .DOCM before open. More Info | Message: PREVIEW IS NOT AVAILABLE FOR THIS DOCUMENT |
| .DOTX | Word 2007 (and later) Template | .DOCX | Rename from .DOCX to .DOTX before open. More Info | Message: PREVIEW IS NOT AVAILABLE FOR THIS DOCUMENT |
| .DOTM | Word 2007 (and later) Macro-Enabled Template | .DOCX | Rename from .DOCX to .DOTM before open. More Info | Message: PREVIEW IS NOT AVAILABLE FOR THIS DOCUMENT |
| .XLSX | Excel 2007 (and later) Workbook | .XLSX | No additional action required, just open | NO |
| .XLSM | Excel 2007 (and later) Macro-Enabled Workbook | .XLSX | Rename from .XLSX to .XLSM before open. More Info | NO |
| .XLSB | Excel 2007 (and later) Binary Workbook | .XLSX | Rename from .XLSX to .XLSB before open. More Info | NO |
| .XLTX | Excel 2007 (and later) Template | .XLSX | Rename from .XLSX to .XLTX before open. More Info | NO |
| .XLTM | Excel 2007 (and later) Macro-Enabled Template | .XLSX | Rename from .XLSX to .XLTM before open. More Info | NO |
| .PPTX | PowerPoint 2007 (and later) Presentation | .PPTX | No additional action required, just open | NO |
| .PPTM | PowerPoint 2007 (and later) Macro-Enabled Presentation | .PPTX | Rename from .PPTX to .PPTM before open. More Info | NO |
| .POTX | PowerPoint 2007 (and later) Template | .PPTX | Rename from .PPTX to .POTX before open. More Info | NO |
| .POTM | PowerPoint 2007 (and later) Macro-Enabled Template | .PPTX | Rename from .PPTX to .POTM before open. More Info | NO |
| .PPSX | PowerPoint 2007 (and later) Show | .PPTX | Rename from .PPTX to .PPSX before open. More Info | NO |
| .PPSM | PowerPoint 2007 (and later) Macro-Enabled Show | .PPTX | Rename from .PPTX to .PPSM before open. More Info | NO |
Supported File Types:
DOC - Word 97-2003 Document
DOT - Word 97-2003 Template
XLS - Excel 97-2003 Workbook
XLT - Excel 97-2003 Template
PPT - PowerPoint 97-2003 Presentation
POT - PowerPoint 97-2003 Template
PPS - PowerPoint 97-2003 Show
DOCX - Word 2007-2010 Document
DOCM - Word 2007-2010 Macro-Enabled Document
DOTX - Word 2007-2010 Template
DOTM - Word 2007-2010 Macro-Enabled Template
XLSX - Excel 2007-2010 Workbook
XLSM - Excel 2007-2010 Macro-Enabled Workbook
XLSB - Excel 2007-2010 Binary Workbook
XLTX - Excel 2007-2010 Template
XLTM - Excel 2007-2010 Macro-Enabled Template
PPTX - PowerPoint 2007-2010 Presentation
PPTM - PowerPoint 2007-2010 Macro-Enabled Presentation
POTX - PowerPoint 2007-2010 Template
POTM - PowerPoint 2007-2010 Macro-Enabled Template
PPSX - PowerPoint 2007-2010 Show
PPSM - PowerPoint 2007-2010 Macro-Enabled Show
Office Regenerator Preview is available for DOC, DOT, DOCX files only! Other document types can be recovered, but cannot be shown in the preview window of the current build of Office Regenerator. See Table...
Important notes about DOCM, DOTX, DOTM, XLSM, XLSB, XLTX, XLTM, PPTM, POTX, POTM, PPSX, PPSM files recovery!
DOCX, DOCM, DOTX, DOTM are always saved as DOCX. See Table...
XLSX, XLSM, XLSB, XLTX, XLTM are always saved as XLSX. See Table...
PPTX, PPTM, POTX, POTM, PPSX, PPSM are always saved as PPTX. See Table...
Microsoft Office 2007 and later requires correct format of a document to be opened, otherwise you will see error messages, as shown below. In order to open recovered documents in a format, other than DOCX, XLSX, PPTX, please manually rename the documents to the correct file format (DOCM, DOTX, DOTM for Word 2007; XLSM, XLSB, XLTX, XLTM for Excel 2007; PPTM, POTX, POTM, PPSX, PPSM for PowerPoint 2007). See Renaming File Format using Windows Explorer below.
What to do, if you see the error message like below?
1. Error message, when trying to open recovered Microsoft Word document:

Solution:
Make sure, you can see file extensions in Windows Explorer. More Info.
Change file extension from DOCX to DOTX. Try to open it again. If you see the same error message again, go to the next step.
Change file extension to DOCM. Try to open it again. If you see the same error message again, go to the next step.
Change file extension to DOTM. Try to open it again.
2. Error message, when trying to open recovered Microsoft Excel workbook:

Solution:
Make sure, you can see file extensions in Windows Explorer. More Info.
Change file extension from XLSX to XLTX. Try to open it again. If you see the same error message again, go to the next step.
Change file extension to XLSB. Try to open it again. If you see the same error message again, go to the next step.
Change file extension to XLTM. Try to open it again.
3. Error message, when trying to open recovered Microsoft PowerPoint presentation:

Solution:
Make sure, you can see file extensions in Windows Explorer. More Info.
Change file extension from PPTX to POTX. Try to open it again. If you see the same error message again, go to the next step.
Change file extension to PPTM. Try to open it again. If you see the same error message again, go to the next step.
Change file extension to PPSM. Try to open it again.
Renaming File Format using Windows Explorer
In order to change format of a file using Windows Explorer, you should rename the file. Make sure you can see file extensions in Windows Explorer. For this purpose, uncheck "Hide extensions for known file types" in the "View" tab of the Folder Options dialog box. For more information, please refer to Microsoft Windows documentation.

Renaming example from DOCX to DOCM (When changing extension is necessary?)
From DOCX:
To DOCM:
